<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>
  <div id="app">

  </div>
  <style>
    html,body{
      height: 100%;
      margin: 0;
      font-size: 16px;
    }
  </style>
</body>
</html>
